Air technologies for industry

Every air technology installation by the Callens Group starts with a thorough analysis of your production environment. We map the airflows and examine how temperature, humidity, air quality, and pressure influence one another. Based on that analysis, we develop an integrated air technology solution that stabilizes production conditions, limits energy consumption, and increases the reliability of your processes.

With 60 years of experience, we deliver custom solutions for industrial climate control, process air, and extraction. You can rely on a single partner for the entire process: from design and engineering to installation, service, and maintenance.

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Reliable air technology for a stable production process

In many industrial production environments, air plays a crucial role. Air is used to condition production halls, dry or cool products in a controlled way, protect machines, or safely remove dust, vapors, and gases. In some applications, air quality even directly determines the quality of the end product.

Industrial air technology is therefore about much more than ventilation or extraction alone. By precisely aligning temperature, humidity, airflows, and pressure, you prevent condensation, dust dispersion, microbiological growth, and quality loss. This is essential in sectors where air conditioning directly affects the quality, safety, and continuity of the production process, such as food, chemicals, pharmaceuticals, paper and cardboard, and metalworking.

The Callens Group develops integrated air technology solutions for complex industrial applications. By designing the full air technology concept as one whole, we create installations that are not only energy-efficient and reliable, but also contribute to a more stable production process, higher product quality, and maximum operational continuity.

Ecofrost Peruwelz Ventilatie 3

Which industrial air technology suits your production process?

Every industrial challenge requires a different air technology solution. Depending on your production process, the focus may be on climate control, process air or industrial extraction. The specialists at the Callens Group analyze your production environment and advise on the technology that best suits your application.

  • Supplying fresh air and removing polluted air: industrial ventilation ensures a healthy air quality, correct air changes, and a stable air balance in production halls and technical rooms.
  • Managing heat in production environments: industrial cooling keeps temperature under control and prevents overheating of products, machines, and employees.
  • Heating production halls or process rooms efficiently: industrial heating systems provide even temperature distribution, even in large volumes and tall buildings.
  • Drying, humidifying, or cleaning products in a controlled manner: process air technologies precisely align temperature, humidity, air purity, and airflow rate with the required process conditions.
  • Capturing dust safely at source: industrial dust extraction prevents dust dispersion, protects employees and installations, and increases the reliability of your production process.
  • Removing gases, vapors, and water vapor in a controlled manner: industrial extraction removes harmful emissions and excess moisture, prevents condensation, and helps meet applicable environmental and permit requirements.
  • Making existing installations more sustainable: we optimize airflow rates, integrate heat recovery, and support the transition to natural refrigerants such as CO₂, ammonia, and propane.
Solae Ieper Ventilatie 1
SOLUTIONS

Our industrial air technology solutions 

Industrial climate control, process air, and extraction each have their own function. The Callens Group has the expertise to apply these solutions separately or to technically connect them whenever the production process requires it. The result is a stable production process, greater energy efficiency, and reliable long-term operation.

Which technology suits your production?

Tell us about your challenges and discover the ideal solution.

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custom solutions

Every air technology installation is custom work 

No two production environments have the same air requirements, which is why the Callens Group always starts from your production process, the specific conditions on site, and the result you want to achieve.

Our engineers analyze the full air balance and develop a custom solution. In some cases, this involves one specific air technology. In other situations, we develop an integrated solution where industrial climate control, process air, and extraction are perfectly aligned. Thanks to our turnkey approach, we support the full process: concept engineering, design, installation, start-up, and maintenance.

In-house concept engineering and on-site measurements

One partner for complex turnkey projects

Energy -efficient and ready for the future

Turnkey projects

Why choose the Callens Group?

Full project relief

From the initial analysis to installation, commissioning, and ongoing maintenance, the Callens Group takes care of your air technology project from start to finish. During every phase of the project, you have a contact person with the right technical expertise. This ensures smooth coordination, short communication lines, and efficient execution.

Efficiency

The project steps follow each other seamlessly. This significantly reduces lead time: no waiting times between project phases and no communication losses between various parties.

Technology independent

The Callens Group is not tied to one manufacturer, brand, or technology. This means that we can always start from your process and objectives. Our engineers design the solution that best suits your situation, both technically and economically.

Extensive expertise

With more than 60 years of experience, we have the expertise in-house to develop a suitable solution for even the most complex of situations. Our engineers also carry out the necessary measurements and calculations. This allows us to map factors that are not visible on plans or photos.

Our workflow

EPCS projects: from analysis to service

01 /6

Analysis

Every project starts with a thorough analysis of your question, production process, and objectives. We assess technical feasibility, map the scope, and determine which information is needed to arrive at a well-considered solution.

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Concept engineering

After your approval, project preparation starts. We work out the detailed engineering, prepare the schedule, and purchase all the required components. Thanks to our years of experience and strong partnerships with leading suppliers, we select the most suitable materials and guarantee high-quality, efficient execution.

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Calculation

Based on the available information, our engineers develop an initial technical concept. We also organize a site visit for measurement purposes to allow us to accurately map airflows, heat loads, and other process parameters. This creates a solution that is fully tailored to your production environment.

04 /6

Project preparation

Our specialists carry out the complete installation in situ. After assembly, we perform extensive tests and checks to ensure that the installation can be started up safely, reliably, and in accordance with the agreed performance requirements.

05 /6

Installation and testing

We translate the technical concept into a transparent and detailed quotation. We then discuss the proposed solution, project approach, and investment cost with you so that you can make a well-considered decision.

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Service and maintenance

Even after installation, you can continue to rely on the Callens Group for maintenance and service, in cooperation with specialist partners.

Discuss your challenge or project with our experts

Would you like to explore which solution is suitable for your specific project?

Our engineers are happy to think along with you, from initial exploration to concrete engineering.

Contact

Projects with industrial air technologies

All projects
Soudal Turnhout afzuiging drijfgassen PRJ12563 13
Air technology Extraction Gas and vapor extraction

Extraction system takes on hazardous propellants

Capacity40,000 m3/h
Zone typeAtex
Callens ventilatie lucht 1
Air technology Industrial cooling

Ventilation brings in comfort

Air flow rate 140.000 m3/h
Air flow rate 280.000 m3/h 
Air flow rate 3100.000 m3/h 

Questions? We have the answers.

A well-designed process air installation treats only the air that is truly needed and aligns airflow rates, fans and control technology with the current process demand. In addition, in every project Callens Group investigates how heat from process air or extracted air can be recovered as much as possible and reused within the production process. This lowers energy consumption and operating costs in your production environment.

Condensation occurs when warm, humid air comes into contact with colder surfaces or when humidity becomes too high. This can lead to corrosion, microbiological growth, quality loss, longer drying times or unwanted production downtime. Callens Group prevents condensation by looking at temperature, humidity, airflow rates and airflows as one integrated whole. During an on-site technical analysis, our engineers map all the factors that influence condensation risks. Based on this, we develop a process air system that continuously monitors the required process conditions and automatically makes the necessary adjustments. This keeps your production process stable, guarantees product quality and reduces the risk of rejects. Not sure whether your process air installation is optimally aligned with your production process? Our experts will be happy to analyze your situation and develop a tailored process air solution. Contact us.

A conventional HVAC system is designed to create a pleasant and healthy indoor climate for people. With process air, the focus is different: temperature, humidity, air purity and airflow must remain within precise limits at all times to guarantee a stable production process and consistent product quality. This requires an air technology solution that is fully tailored to the specific requirements of your production process. That is why Callens Group starts from a thorough analysis of your process, the required process conditions and the interaction between people, machines and the production environment. Based on this analysis, we develop a correctly sized process air system that is technically and economically aligned with your application. Curious what a process air solution for your production process could look like? Our experts will be happy to think along with you.

The required capacity depends on several factors, such as the desired temperature and humidity, airflow rate, heat and moisture load of the process and the characteristics of the building. Production capacity, operating hours and possible future expansions also play a role. Thanks to practical measurements and simulations, the Callens Group engineers calculate the capacity needed to guarantee the required process conditions in an energy-efficient way.

Correct sizing starts with a thorough analysis of your production process. During a visit to your site, our engineers map temperature, humidity, airflow rates, heat and moisture loads, dust load and the interaction between different process steps. We not only consider the required process conditions, but also the working conditions of the operators who work with the installations every day. Desired product quality, production capacity and future expansions are also included. Based on practical measurements, we develop a technical concept that is fully tailored to your production process and your people. This ensures an installation that performs optimally without being over or undersized.

Every project starts with a technical study day at your site. Our engineers analyze the emission sources, the properties of the dust, the airflows, the required capture velocities, and the applicable safety and permit requirements. Based on that analysis, we develop a dust extraction concept that is fully tailored to your production process. As an EPCS integrator, the Callens Group then takes care of the entire process: from concept engineering and detailed engineering to installation, commissioning, service, and preventive maintenance. Want to discuss your industrial dust extraction project?

Yes. Depending on the properties of the dust and the production process, the separated dust can be collected for reuse, recycling, or valorization. This reduces the amount of waste and can also create added economic value. During concept engineering, the Callens Group examines whether dust recovery is technically and economically feasible within your production process.

Want to know whether dust recovery is possible in your production environment? Our specialists will be happy to review the possibilities.

Filter service life depends on the amount of dust, operating hours, and the type of production process. Waiting until filters are fully saturated often leads to greater pressure drop, an increase in energy consumption, and reduced extraction capacity. During preventive maintenance, filter performance is closely monitored. This ensures that filters are replaced at the right time and that the installation remains reliable, energy efficient, and safe.

Time for a breath of fresh air? Our specialists are happy to think along with you.

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